The Psychometric Properties of the Positive Mental Health Scale: Evidence from Measurement Invariance and ROC Analyses

Öz

The aim of this study was to examine the psychometric properties of the Turkish form of the Positive Mental Health Scale (PMHS). The study sample consisted of 607 (305 + 302) adult participants. The construct validity of the scale was examined through exploratory and confirmatory factor analyses. Exploratory factor analysis yielded a single factor with an eigenvalue above 1, accounting for 51% of the total variance. In confirmatory factor analysis, the model reached acceptable fit indices (χ²/df = 3.06, RMSEA = .080, CFI = .954). Regarding criterion-related validity, significant positive correlations were found between the PMHS and the Spiritual Well-Being Scale (r = .55, p < .01). Item analysis revealed statistically significant differences between the lower and upper 27% group means for all items. Reliability analyses yielded a Cronbach’s α of .87, McDonald’s ω of .88, and Guttman’s ʎ6 of .88. Measurement invariance analyses indicated that the PMHS demonstrated at least metric invariance across gender, marital status, and age groups. Receiver operating characteristic (ROC) curve analysis showed that the scale did not have statistically significant diagnostic power in discriminating individuals with a psychiatric diagnosis (AUC = .525, p = .559). Taken together, these findings indicate that the PMHS is a unidimensional, valid, and reliable measurement instrument; however, it is more appropriate for use as a screening tool to assess positive mental health levels in the general population rather than for clinical diagnostic purposes.

Anahtar Kelimeler

• Positive mental health
• scale development
• validity
• reliability
• measurement invariance

Proje Numarası

Yok

Pozitif Ruh Sağlığı Ölçeğinin Psikometrik Özellikleri: Ölçme Değişmezliği ve Alıcı İşletim Karakteristiği Kanıtları

Öz

Bu araştırmanın amacı, Pozitif Ruh Sağlığı Ölçeği’nin (PRSÖ) Türkçe formunun psikometrik özelliklerini incelemektir. Araştırmanın çalışma grubunu 607 (305 + 302) yetişkin katılımcı oluşturmuştur. Ölçeğin yapı geçerliği açımlayıcı ve doğrulayıcı faktör analizleri ile incelenmiş; açımlayıcı faktör analizi sonucunda özdeğeri 1’in üzerinde tek bir faktör elde edilmiş, bu faktörün toplam varyansın %51’ini açıkladığı belirlenmiştir. Doğrulayıcı faktör analizinde, modelin kabul edilebilir uyum indekslerine ulaştığı görülmüştür (χ²/sd = 3,06, RMSEA = ,080, CFI = ,954). Ölçüt bağıntılı geçerlik kapsamında PRSÖ ile Düşünsel İyi Olma Ölçeği arasında pozitif yönde anlamlı ilişkiler saptanmıştır (r = ,55, p < ,01). Madde analizinde, alt-üst %27 grup ortalamaları arasındaki farkların tüm maddeler için istatistiksel olarak anlamlı olduğu bulunmuştur. Güvenirlik analizlerinde Cronbach α = ,87, McDonald ω = ,88 ve Guttman ʎ6 = ,88 olarak hesaplanmıştır. Ölçme değişmezliği analizleri, PRSÖ’nün cinsiyet, medeni durum ve yaş değişkenlerine göre en az metrik düzeyde değişmezliğe sahip olduğunu göstermiştir. AİK (ROC) eğrisi analizinde, ölçeğin psikiyatrik tanı durumunu ayırt etmede istatistiksel olarak anlamlı bir tanısal güce sahip olmadığı belirlenmiştir (EAKA/AUC = ,525, p = ,559). Elde edilen bulgular bir bütün olarak değerlendirildiğinde, PRSÖ’nün tek boyutlu, geçerli ve güvenilir bir ölçme aracı olduğu, ancak klinik tanı amacıyla değil, genel popülasyonda pozitif ruh sağlığı düzeyini değerlendirmeye yönelik bir tarama aracı olarak kullanılabileceği sonucuna varılmıştır.

Anahtar Kelimeler

• Pozitif ruh sağlığı
• ölçek geliştirme
• geçerlik
• güvenirlik
• ölçme değişmezliği

Proje Numarası

Yok

Kaynakça

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